Which occurs just before a volcanic eruption? O Lava flows onto the sides of the volcano.
The expanding gases push magma through the pipe.
O Apocket of magma forms beneath the volcano.
O New rocks are formed as lava hardens.

B. The expanding gasses push magma through the pipe.

Explanation:

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b

Explanation:

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?